RU2390290C1 - System of head fixation and head helmet having adjustable protective visor and method of their adjustment - Google Patents

Abstract

FIELD: personal use articles. ^ SUBSTANCE: head helmet adjusted for protection of the person wearing it comprises protective visor and flexible covering band adjusted for fixation on the head of the person wearing it. It also comprises mount fixture, providing for fixation of protective visor to flexible covering band in each of two side areas of fixation. At the same time protective visor is in general installed in front of the person wearing it. Mount fixture comprises guide slot joined to the first part of head helmet and slider joined to the second part of head helmet. At the same time mentioned helmet is arranged with the possibility of sliding forward and backward in guide slot relative to the face of the person wearing it, and also with the possibility of selective fixation in multiple forward and backward positions, therefore, position of protective visor may be adjusted inside and outside relative to the face of the person wearing it. ^ EFFECT: invention provides for reduction of weight and dimensions of protective helmet. ^ 14 cl, 7 dwg

Description

The present invention relates generally to head mount systems and a head helmet, and in particular to such head mount systems and a head helmet that are adjustable in size or configuration, as well as to methods for adjusting or selecting a head mount system configuration.

State of the art

Protective helmets, especially welder guards, are heavy and bulky. For the wearer, already working in extreme conditions in terms of heat and other adverse effects, the weight of the protective helmet can be very burdensome. The weight of the safety helmet adds even more to this burden.

The head mount system for the safety helmet must be adjusted to the requirements of the wearer in order to be comfortable. A poorly fitted helmet, especially a heavy one, can be extremely uncomfortable for the wearer, which can cause errors and possibly injuries.

Adjustment mechanisms on standard safety helmets, such as welder guards, are usually either bulky, or difficult to adjust, or both. Adjustment mechanisms requiring a massive grip can significantly increase the weight of the safety helmet. Conventional adjustment mechanisms may also include interchangeable or re-positionable bolts or set screws, which make adjusting very difficult. The need to dismantle the bolts leads to the fact that there is a scattering of unscrewed bolts, nuts and washers, which are then difficult to assemble again. This is especially true in cases where the user also wears a protective device such as gloves.

Some head mount systems can be adjusted with tightening straps. One example of a mechanism for adjusting the head mount system by tightening the head strap is shown in US Pat. No. 5,608,917 to Landis et al, Ergonomic Head Band Apparatus (Ergonomic Head Band Device). The ergonomic head brace includes a strap having first and second upwardly curved side arc segments, a front arc region and ends that fasten at the back of the head. The endings are reinstalled on top of each other, which in general provides for adjustment to the size. Protective shields or other device can be attached to the bandage.

Other head helmet mounts allow adjustment by means of bandages with ends sliding relative to each other. Examples are found in: US Pat. No. 3,500,474 to Austin, Adjustable Headband; US Pat. No. 4,888,831 to Oleson, Adjustable Head Band Suspension System For Use With Hard Hat Shell, providing a sliding adjustment device; U.S. Pat. No. 5,896,586 to Freund, Adjustable Headband Having a Resil-iently Bowable Fastener Surface, with several longitudinally spaced cuts and an elastic fastener with a channel where the end with slots starts to slip. ; and US Pat. No. 6,341,382 to Ryvin et al, One-Piece Adjustable Headgear Support with an integrally designed sliding adjustment mechanism. Such mechanisms, however, are not always easy to adjust during operation, and they can give the safety helmet an undesirable weight gain.

U.S. Pat. No. 5,077.836 to Idoff et al. Headgear A head helmet is provided for the installation of a protective device such as a sight shield. The head brace in this case includes the superciliary brace section, the lateral brace section and the neck brace section. The cervical bandage part comprises an adjustment mechanism including sliding parts which are fixed with a button. The superciliary section also includes an adjustment buckle. And again, such an adjustment mechanism may be difficult for the wearer and may add unwanted weight to the head helmet.

US Pat. No. 4,942,628 to Freund, Helmet Suspension Having Ratchet Adjustment, provides head protection or helmet attachment in which the attachment system is adjusted to the desired size using ratchet. The adjustment knob engages the teeth of the ratchet mechanism to lock the mount in position. Adjustment knob and ratchet mechanism can add unwanted helmet weight.

U.S. Patent No. 5,571.217 to Del Bon et al. The Protective Assembly For The Protection Of The Human Head presents a protective module that has a circular support structure adapted to be connected to the head of a person wearing this protective module. A protective sight shield is attached to the supporting structure on the hinge, which is rotated to the lower working position and to the upper idle position. There are mechanisms and a driving element for adjusting and fixing the position of the sight plate in the direction of the review and in the position lowered for operation. Forward and backward adjustment of the visor is provided by removable setscrews and mounting eyes. Forward and backward adjustment is achieved by loosening the setscrews and reinstalling the setscrews in the excellent locations of the mounting holes. Loosening and re-locking the setscrews can be tedious and difficult to complete, especially for a worker already working in the field in difficult conditions.

US Pat. No. 7,007,306 to Howard et al, Face Shield Assembly, provides a face protection module that includes a frame and a replaceable security element that is secured to the frame. The frame by means of a hinge is connected to the mounting system in such a way that this frame can be moved between the upper (non-working) and lower (working) position. The frame can be selectively fixed relative to the user's head by moving and moving the mounting bolt to various locations of the mounting holes. Again, moving and moving the mounting bolt can be tedious and difficult to complete.

The Optrel ™ Galaxy ™ welding mask also has a folding and extendable headset that allows you to adjust the position of the helmet relative to the face and chin. However, a description of the mechanism for folding and extending the headset, which allows you to adjust the position of the helmet relative to the face and chin of the wearer, is not given.

SUMMARY OF THE INVENTION

The present invention provides a head mount system, a head helmet, and a method for adjusting an inspection flap associated with a head helmet that is lightweight and easily adjustable even when it is worn on the wearer's head. The visor can be adjusted inward and / or outward, i.e. respectively, backward or forward, by lifting and shifting the movable elastic trailer and allowing the elastic trailer to engage with one of the plurality of fixing holes on the head brace or associated with the head brace.

In one embodiment, the present invention provides a head helmet adapted to protect the wearer, having a visor and a flexible covering band adapted to be mounted on the wearer's head. The mounting fixture attaches the sight shield to a flexible female bandage at each of the two side mounting points, so that the sight shield is generally placed in front of the wearer. The mounting bracket has a guide groove associated with the first part of the head helmet and a slider associated with the second part of the head helmet. The slider is able to slide back and forth along the guide groove relative to the wearer's face and can be selectively fixed in a variety of front and rear positions. This allows you to adjust the visor in and out relative to the face of the wearer.

In one embodiment, the present invention provides a head mount system for a head helmet having a sight shield adapted to protect a wearer. A flexible covering bandage is adapted to be fixed on the wearer's head. The mounting fixture attaches the sight shield to a flexible female bandage at each of the two side mounting points, so that the sight shield is generally placed in front of the wearer. The mounting bracket has a guide groove associated with the first part of the head helmet and a slider associated with the second part of the head helmet. The slider is able to slide back and forth along the guide groove relative to the wearer's face and can be selectively fixed in a variety of front and rear positions. This allows you to adjust the visor in and out relative to the face of the wearer.

In one embodiment, the first part of the helmet is an enclosing bandage, and the second part of the helmet is a sight shield.

In one embodiment, the visor can be adjusted by the wearer forward and backward relative to the wearer's face when the helmet is worn on the wearer's head.

In one embodiment, the mounting fixture has an elastic biased end having a protrusion on one of the slider and the guide groove, and the other of the slider and the guide groove has a plurality of mating holes, so that the slider can be locked with adjustment in a plurality of front and rear positions.

In one embodiment, the resilient biased trailer is resiliently biased toward the mate of the trailer and one of the plurality of mating holes.

In one embodiment, the trailer can be raised and the slider can be adjusted by the wearer when the helmet is worn on the wearer's head.

In one embodiment, the present invention provides a method for adjusting the position of an inspection flap associated with a head helmet adapted to protect a wearer, the head helmet having a mounting mount for the viewing flap to the head mounting system, and this mounting mount has a guide groove associated with the first part of the head helmet, and a slider associated with the second part of the head helmet, and the slider is able to slide back and forth along the guide groove relative to the face of the wearer and can borochno recorded in a variety of front and rear positions, which allows you to adjust the visor inside and out with respect to the face of the wearer. The trailer connected to the slider is released. The slider slides along the guide groove with the help of a trailer. The slider is selectively fixed in one of the many front and rear positions due to the release of the trailer.

In one embodiment, the first part of the helmet is an enclosing bandage, and the second part is an inspection shield.

In one embodiment, the step of sliding the slider can be performed when the helmet is worn on the head of the wearer.

In one embodiment, the mounting fixture has an elastic biased end having a protrusion on one of the slider and the guide groove, and the other of the slider and the guide groove has a plurality of mating holes, so that the slider can be locked with adjustment in a plurality of front and rear positions.

In one embodiment, the resilient biased trailer is resiliently biased toward the mate of the trailer and one of the plurality of mating holes.

In one embodiment, the step of sliding the slider can be performed when the helmet is worn on the head of the wearer.

In one embodiment, the mounting fixture pivotally attaches the sight plate so that this sight plate can be mounted by the wearer to the lower position when the sight plate is generally located in front of the wearer and to the upper position when the sight plate is generally above the face of the wearer.

In one embodiment, the inspection shield comprises a welding mask.

Brief Description of the Drawings

Figure 1 gives a perspective view of a protective head helmet mounted on a head mount system;

Figure 2 gives a perspective view of the head mount system of Figure 1;

Figure 3 gives a detail of the mounting fixture and the movement mechanism of the sight plate;

Figure 4 gives a side view of a section of a female brace illustrating a guide groove;

FIG. 5 gives a rear perspective view of the fastening of a slider applicable with the guide groove shown in FIG. 4;

Fig. 6a gives a side view in partial cross-section, illustrating a sight shield in a position when it is lifted from the wearer's face; and

Fig.6b gives a side view in partial cross-section, illustrating the sight shield in the position when it is lowered on the face of the wearer.

Detailed description

When used in the present description, the following terms have the indicated meanings:

“Helmet” means any of several generally protective equipment designed to be worn on the wearer's head or held by the wearer's head, including but not limited to helmets and, in particular, welding masks.

“Visor” means any of several devices that can be used to protect the wearer's head, face and neck, including, but not limited to, visor, face masks and face shields.

"Head-mounted system" means the mechanism by which a helmet can be held by the head of the wearer of this head helmet.

“Wrap bandage” means that part of the headband system that usually at least partially covers the wearer's head and holds the mount system on the wearer's head, although such a wrap bandage does not necessarily in fact wrap the head in any particular position and not necessarily that wrap bandage is in contact with the head around the circumference of the head.

“Front section” means that part of the head-mounted system that is generally located in the direction of the front of the head of the head-mounted system.

“Occipital section” means that part of the head mount system that is generally located towards the back of the head wearing this head mount system.

“Side seats” means a place or places that are generally located in the direction of the sides of the wearer's head when this fastening system is mounted on the wearer's head in the correct position.

"Guide groove" means a mechanism for receiving a slider in a sliding engagement.

“Slider” means any element adapted to slide in a guide groove.

Figure 1 gives a perspective view of the head helmet 10 and the associated head mount system 12. An inspection plate or face shield 14 is attached to the head mount system 12 at the side mount points 16. Depending on the purpose of the head helmet 10, various types of inspection shields or face shields may be used 14. For example, a welding shield 14 with protective sight glasses mounted on it, possibly replaceable, may be used for the welding mask.

The lateral attachment points 16 preferably allow the sight plate or face shield 14 to rotate between the lower position with the sight plate 14 in front of the wearer during work and the upper position with the sight plate 14 above the wearer's head, providing unobstructed view.

The head mount system 12 typically consists of a female brace 18 and a parietal brace 20. Typically, the female brace 18 sits on the wearer's head, holding the sight shield 14 relative to the wearer's head and face. The rear portion 20 of the female brace 18 comprises a fine adjustment mechanism 22 consisting of a ratchet 24 fixed in the adjustment slider 26, which, when adjusted, fastens the ends of the individual halves of the rear portion 20 in an adjustable manner. An adjustment mechanism similar to the fine adjustment mechanism 22 is well known in the art.

The head mount system 12 further comprises a “coarse” or wide adjustment mechanism. Therefore, due to the presence of a separate coarse adjustment mechanism, the fine adjustment mechanism 22 can be made lighter and smaller, since it does not need to cover a large size range, i.e. lengths.

The head mount system 12 also has a parietal brace 28 attached to the female brace 18 and designed to extend along the top of the wearer's head to provide additional support. Slider adjustment mechanism 30 makes it possible to adjust the size of the parietal brace 28.

The slide insert 32, which in this embodiment also serves as the attachment point for the sight plate 14, is fixed to the female band 18 by means of a pair of guides 34. The slide fastener 32 is pivotally connected to the sight plate 14. The elastic end 36 fastened to the slide fastener allows you to adjust the look the shield 14 is closer or further relative to the face of the wearer while wearing the helmet 10 of the wearer. The user or someone else can grab the slide fastener 32 and pull it away so that the protrusion or pin 38 can exit the hole 40 provided in or on the female brace 18. After disengaging, the elastic end 36 can be easily maneuvered to slide the slide fastener 32 forward, moving the visor 14 away from you, or backward, moving the visor 14 towards you. The elastic trailer 36 can insert the protrusion or pin 38 into another of the holes 40, while the inspection flap 14 will be fixed in a different position relative to the face of the wearer. The elastic nature of the elastic limiter 36 allows you to hold the protrusion or pin 38 in the hole 40 until such an elastic limiter is pulled again and the sight plate is fixed in a position closer or further. In this case, the visor 14 can be rotated relative to the sliding mount 32.

2, for greater clarity, the head mount system 12 is shown without a sight shield or face shield. Figure 2 shows in more detail the front section 42 of the head fastening system 12 with the female brace 18. The front section 42 of the female brace 18 is shown with a removable brace 44 or one of a plurality of interchangeable brace brackets 44. The brace 44 is inserted at both ends into the female brace 18 Although it is shown here that the arch 44 covers most of the anterior section 42, it should be understood that this arch 44 can cover a smaller or larger part of the front section 42. The arch 44 can also be located in the occipital second section 20, although it can be expected that in case of its location in the front section 42 the convenience and quality of the work will be higher.

The cuts or slots 46, preferably several, many or many, in the shackle 44 provide additional flexibility to the shackle 44 and, respectively, of the shroud 18, of which the shroud 44 is a part. Such cuts or slots 46 give the cover shroud 18 additional lightness. Although, as shown here, the cutouts 46 extend alternately from opposite edges on the handle 44, it should be understood that such cutouts 46 can extend from only one edge of the handle 44, or the cutouts 46 instead can be cuts 46 or holes in the handle 44 not extending to any lateral edge of the bow 44, or both cutouts 46 and cuts 46 can be used.

The fastening mechanism 52 can be used to attach the sight plate 14 to the female brace 18 and, thus, to the head mount system 12 at the mount 16. Figure 3 gives a detail of the mounting mechanism 52 at the side mounting location 16. FIG. 4 illustrates a side view of a portion of a female brace 18 showing a lateral mounting location 16. Figure 5 gives a general rear view of the mount 32 of the slider. Together, FIG. 3, FIG. 4, and FIG. 5 illustrate the attachment of the sight plate 14 to the head mount system 12 and the adjustment mechanism for moving the slider forward and backward of the head mount system 12.

The guide grooves 34 on the female brace 18 form a sliding channel in which the mounting bracket of the sight plate 14 can be fixed. The slide holder 32 has end pieces 54 that mate with the guide grooves 34. The pin 56 passes through the hole 58 in the slide holder 32 and pivots the sight plate 14 to the slide holder 32 and with the washer 60 and wing nut 62. This design allows the sight plate 14 to rotate, while the slide holder 32 remains fixed in the guide groove 34 th band 18.

The slide holder 32 also acts to adjust the visor 14 to the wearer's face. The viewing plate 14 can be shifted inward to the wearer's face due to the sliding of the slide holder 32 in the guide groove 34 back or back relative to the orientation of the head mount system 12 on the wearer's head. The visor 14 may also be pushed outward from the wearer's face by sliding the mount 33 of the slider in the guide groove 34 forward relative to the orientation of the head mount system 12 on the wearer's head.

The protrusion 38 (shown in FIG. 5) engages one of the plurality of holes 40 or locks into the female brace 18 or connects thereto to secure the slide holder 32 in a particular position forward or backward, thereby substantially locking the sight plate 14 in a certain position to to or on behalf of the wearer. The elastic trailer 36 may be lifted, possibly wearing and possibly while the helmet 10 is being worn, to disengage the protrusion 38 from the meshing of the hole 40. When lifting the elastic trailer 36, the user can push the slide holder 32 along the guide groove 34, moving the sight plate 14 relative to the face of the wearer. When the desired or desired position is obtained, the user can release the elastic end 36 and allow the protrusion 38 to occupy another or possibly the same hole 40. The engagement of the protrusion 38 and the hole 40 secures the slide in a specific position.

Alternatively, the guide groove 34 may be associated with said inspection flap, and said slider attachment may be associated with said covering bandage 18.

The movement of the visor 14 relative to the face 64 of the wearer is shown in Fig.6a and Fig.6b. 6a, the protrusion 38 of the attachment 32 of the slider is shifted to engage the hole 40, to the left side in FIG. 6b, or to the forehead of the wearer's head. When installed in this way, the sight shield 14 is located far enough from the face 64 of the wearer. On the contrary, in FIG. 6b, the protrusion 38 of the attachment 32 of the slider is moved to engage the hole 40 to the right in FIG. 6b or to the back of the head of the wearer. When positioned in this way, the visor 14 is much closer to the face 64 of the wearer.

It may be desirable to install the visor 14 farther or closer to the wearer's face 64. By installing the visor 14 closer to the wearer's face 64, it is possible to provide the wearer with a wide field of view. However, by installing the visor 14 further from the wearer's face 64, it is possible to provide the wearer with greater comfort, reduce or eliminate fogging. The exact position of the sight plate 14 relative to the face 64 of the wearer may depend on the preferences of the wearer and specific features and / or requirements associated with the work.

The mechanism 52 of the fastening allows you to get a convenient, compact and lightweight system 12 of the head mount. The wearer easily controls the attachment mechanism 52 to move the visor 14 forward or backward when the helmet is worn on the wearer's head. This not only allows you to have an easy and comfortable head mount system 12 and a head helmet 10, but also allows the wearer to adjust the position of the sight shield 14 without removing the helmet 10 from the wearer's head. Removing the helmet 10 from the wearer's head would require the wearer to check whether the visor 14 is in the desired position, since the visor would not really be on the wearer's head when the adjustment is made. This may require the repeated removal of the helmet 10 and many adjustments, which would result in a decrease in efficiency.

Thus, embodiments of the present invention are disclosed. Specialists in the art are able to appreciate the fact that this invention, in addition to the embodiments disclosed herein, can be used in other embodiments. The disclosed embodiments are merely illustrative, but not limiting, and the present invention is limited only by the claims, which follows.

Claims (14)

1. A head helmet adapted to protect the wearer, comprising a sight shield and
flexible covering bandage adapted to be fixed on the wearer's head;
an installation fixture that secures the inspection flap to a flexible female bandage in each of the two lateral mounting locations, wherein the inspection flap is generally installed in front of the wearer;
wherein the installation mount contains:
a guide groove associated with the first part of the head helmet; and a slider associated with the second part of the head helmet;
moreover, the said slider is made to slide forward and backward in the guide groove relative to the face of the wearer, as well as to be selectively locked in a variety of positions forward and backward, so that the position of the inspection flap can be adjusted inward and outward relative to the wearer's face. 2. The head helmet according to claim 1, characterized in that the first part of the head helmet contains the said covering bandage, and the second part of the head helmet contains the said visor. 3. The head helmet according to claim 1, characterized in that said mounting fixture comprises an elastic biased end switch comprising a protrusion on one of said slider and said guide groove, and the other of said slider and said guide groove includes a plurality of mating holes, so that said the slider can be fixed with the possibility of adjustment in many front and rear positions. 4. The head helmet according to claim 1, characterized in that said mounting fixture is capable of pivotally attaching the sight shield so that the sight shield can be mounted wearing in the lower position when the sight shield is generally located in front of the wearer and in the upper position when the visor is generally above the face of the wearer. 5. A head mount system for a head helmet with a sight shield adapted to protect the wearer, comprising
a flexible covering bandage adapted to be fixed on the head of said wearer;
an installation fixture that secures the inspection flap to a flexible female bandage in each of the two lateral mounting locations, wherein the inspection flap is generally installed in front of the wearer;
wherein the installation mount contains:
a guide groove associated with the first part of the head helmet; and a slider associated with the second part of the head helmet;
moreover, the said slider is made to slide forward and backward in the guide groove relative to the face of the wearer, as well as to be selectively locked in a variety of positions forward and backward, so that the position of the inspection flap can be adjusted inward and outward relative to the face of the said wearer. 6. The head mount system according to claim 5, characterized in that the first part of the head helmet contains the said covering bandage, and the second part of the head helmet contains the said inspection shield. 7. The head mount system according to claim 5, characterized in that said mounting mount comprises an offset biased end comprising a protrusion on one of said slider and said guide groove, and the other of said slider and said guide groove includes a plurality of mating holes, so that said slider may be fixedly adjustable in a plurality of front and rear positions. 8. The head mount system according to claim 7, characterized in that said resiliently biased limit switch is elastically biased toward mating said trailer and one of the plurality of mating holes. 9. The head mount system according to claim 5, characterized in that said mounting mount is capable of pivotally mounting the sight shield so that the sight shield can be mounted wearing in the lower position, when the sight shield is generally located in front of the wearer's face, and in the upper position when the visor is generally above the wearer's face. 10. A method of adjusting the position of the sight shield associated with the head helmet adapted to protect the wearer, the head helmet comprising a mounting fixture for attaching a viewing shield to the head mounting system, the mounting bracket including a guide groove associated with the first part of the head helmet and a slider associated with the second part of the head helmet, and the slider is made to slide forward and backward in the guide groove relative to the face of the wearer, as well as with the possibility of selective ksatsii in a variety of front and rear positions, so that the position of the visor can be adjusted inward and outward relative to the face of the wearer, comprising the steps of:
release the trailer associated with said slider;
displacing said slider with respect to said guide groove with said limiter and
selectively fixing said slider in one of a plurality of front and rear positions, releasing said trailer. 11. The method according to claim 10, characterized in that the first part of the head helmet contains the said covering bandage, and the second part of the head helmet contains the said inspection shield. 12. The method according to claim 10, characterized in that said mounting fixture comprises an elastic biased end switch comprising a protrusion on one of said slider and said guide groove, and the other of said slider and said guide groove has a plurality of mating holes, so that said slider can be locked with adjustment in a variety of front and rear positions. 13. The method according to p. 12, characterized in that the said elastic offset biased end is elastically biased to the interface of the said trailer and one of the many mated holes. 14. The method according to claim 10, characterized in that said mounting fixture is made with the possibility of hinging the sight plate so that the sight plate can be mounted wearing in the lower position, when the sight plate is generally located in front of the wearer, and in the upper position, when the visor is generally above the face of the wearer.

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